CVE-2011-4670

Exp

Multiple cross-site scripting (XSS) vulnerabilities in vTiger CRM 5.2.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) viewname parameter in a CalendarAjax action, (2) activity_mode parameter in a DetailView action, (3) contact_id and (4) parent_id parameters in an EditView action, (5) day, (6) month, (7) subtab, (8) view, and (9) viewOption parameters in the index action, and (10) start parameter in the ListView action to the Calendar module; (11) return_action and (12) return_module parameters in the EditView action, and (13) query parameter in an index action to the Campaigns module; (14) return_url and (15) workflow_id parameters in an editworkflow action to the com_vtiger_workflow module; (16) display_view parameter in an index action to the Dashboard module; (17) closingdate_end, (18) closingdate_start, (19) date_closed, (20) owner, (21) leadsource, (22) sales_stage, and (23) type parameters in a ListView action to the Potentials module; (24) folderid parameter in a SaveandRun action to the Reports module; (25) returnaction and (26) groupId parameters in a createnewgroup action, (27) mode and (28) parent parameters in a createrole action, (29) src_module in a ModuleManager action, (30) mode and (31) profile_id parameters in a profilePrivileges action, and (32) roleid parameter in a RoleDetailView to the Settings module; and (33) action parameter to the Home module and (34) module parameter to phprint.php.

Published: 2011-12-02 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-4670 is rated High Exploit Risk (71.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 36.15%, 97th percentile). Core evidence: 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +18.61% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-4670

EDB-ID Source Kind Published Link
36204 exploit_db edb 2011-10-04 Exploit-DB ↗
36203 exploit_db edb 2011-10-04 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-4670

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-03 17.54% 36.15% +18.61%
2 2025-10-23 15.39% 17.54% +2.15%
3 2025-08-02 15.39%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4670

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-4670

Affected software / configurations for CVE-2011-4670

Vendor Product Version Raw CPE
vtiger vtiger_crm <= 5.2.1 cpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*

References for CVE-2011-4670

cvelogic Threat Intelligence